class_docstr: Hook for Google Cloud Composer async APIs.
code: def get_parent(self, project_id, region):
      return f"projects/{project_id}/locations/{region}"
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, Sequence
  from google.api_core.client_options import ClientOptions
  from google.api_core.gapic_v1.method import DEFAULT, _MethodDefault
  from google.cloud.orchestration.airflow.service_v1 import EnvironmentsAsyncClient, EnvironmentsClient, ImageVersionsClient
  from airflow.exceptions import AirflowException
  from airflow.providers.google.common.consts import CLIENT_INFO
  from airflow.providers.google.common.hooks.base_google import GoogleBaseHook
label_desc: Use image node_id 4 for calling the CloudComposerAsyncHook obj's underlying member method code with example usage: obj.get_parent(project_id, region) and returns: str, project_id, str, region